RE: Reducing the size of libnetsnmp, libnetsnmphelpers etc lib files

I made these changes in the Makefiles

Remove the -g option from CFLAGS and (no debug information included)
Include -s --static for LDFLAGS

The size of the library files has drastically reduced.
Libnetsnmpmibs.a 533 KB
Libnetsnmpagent.a 113 KB
Libnetsnmphelpers.a 112 KB
Libnetsnmp.a 650 KB

This is with just the following option
./configure --with-perl-modules and then do the above mentioned changes
to the makefiles.

But the Sub-agent (fully functional) I built with these library files is
still of the same size as it used to be with earlier libraries.  

So still my problem is half solved... Not sure why

Regards,
Sri.

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Dave Shield
Sent: Thursday, January 11, 2007 2:17 PM
To: Srivastava, Namburi (IE10)
Cc: [email protected]
Subject: Re: Reducing the size of libnetsnmp, libnetsnmphelpers etc lib
files

On 09/01/07, Srivastava, Namburi (IE10)
<[email protected]> wrote:
> Also one more observation is, using any of these configure options
> Except for --disable-debugging, I havent' seen significant reduction
in
> size of libnetsnmphelpers.a and libnetsnmp.a... Am I missing something
> here?

There's probably not much you can do to reduce the size of the helpers
library.
Most of that is fairly core to the operation of the agent.
  You *might* be able to remove individual helpers if there are no MIBs
that
require them, but I doubt there's a configure option to do this for you.
You'd have to work out which helpers were safe to use by
trial-and-error.
If you manage to come up with a list, please let us know, so we can
update
the documentation accordingly.

  I would have thought that:
      --disable-mib-loading
      --disable-snmpv1
      --disable-snmpv2c

should reduce the size of the main library slightly - though probably
not
by a great deal.   Similarly for the other --disable-FEATURE options
(see "configure --help" for a full list).

Not loading the MIBs would probably make more difference to the
run-time memory usage of the agent/tools, rather than the size of
the library itself.


Dave

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